CN209164379U - A kind of straight-line ball guide sleeve - Google Patents
A kind of straight-line ball guide sleeve Download PDFInfo
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- CN209164379U CN209164379U CN201821627889.6U CN201821627889U CN209164379U CN 209164379 U CN209164379 U CN 209164379U CN 201821627889 U CN201821627889 U CN 201821627889U CN 209164379 U CN209164379 U CN 209164379U
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- sleeve
- arcwall face
- ball
- convex ribs
- bracket
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Abstract
A kind of straight-line ball guide sleeve includes sleeve (1), bracket (2), snap ring (3) and ball (4)；The lower ora terminalis of the sleeve (1) extends internally and has baffle ring (5), and the baffle ring (5) sets there are two symmetrical guiding notch (6), and the inner wall of the sleeve (1) is axially arranged with several convex ribs (7) along it；The convex ribs (7) are uniformly distributed along the inner wall side of the sleeve (1), are in plum blossom-shaped；The main body of the convex ribs (7) also includes the first arcwall face (8) and the second arcwall face (9) for connecting with the first arcwall face (8) two sides ora terminalis towards the sleeve (1) axle center；Second arcwall face (9) of adjacent two is spliced into arc groove (10), and the outer surface of first arcwall face (8) and second arcwall face (9) is equipped with molybdenum disulfide lubricant layer (11).The utility model has many advantages, such as that abrasion is small, precision is high, using effect is good, is dismounted easily.
Description
Technical field
This practical guide frame that is related to designs, and especially relates to a kind of straight-line ball guide sleeve.
Background technique
In Machine Design, in order to guarantee the kinematic accuracy of movement mechanism, it will usually be arranged on movement mechanism and lead accordingly
To structure, common guide frame is usually to be made of guide pillars and bushes, and the relative motion by guide pillars and bushes is fitness machine
Structure is oriented to.
But common guide frame at present, it is mostly face and face contact between guide pillars and bushes, this way of contact,
Generated due to guide post and guide sleeve bracket or sliding friction, it is larger to the loss of guide sleeve and guide post.
Therefore the prior art is to be improved and improves.
Utility model content
In view of the deficiencies of the prior art, small the purpose of the utility model is to provide a kind of abrasion and easy-to-mount straight
Line ball bearing guide bushing.
The utility model provides the following technical solution:
A kind of straight-line ball guide sleeve includes sleeve (1), bracket (2), snap ring (3) and ball (4)；The sleeve (1)
Lower ora terminalis, which extends internally, to be had baffle ring (5), and the baffle ring (5) sets there are two symmetrical guiding notch (6), the sleeve (1) it is interior
Wall is axially arranged with several convex ribs (7) along it；The convex ribs (7) are uniformly distributed along the inner wall side of the sleeve (1), are in plum blossom
Shape；The main body of the convex ribs (7) also includes towards first arcwall face (8) in the sleeve (1) axle center and with described first
The second arcwall face (9) of arcwall face (8) two sides ora terminalis connection；Second arcwall face (9) of adjacent two is spliced into arc groove
(10), the outer surface of first arcwall face (8) and second arcwall face (9) is equipped with molybdenum disulfide lubricant layer (11)；It is described
The peripheral side of sleeve (1) is equipped with cricoid boss (12), and the boss (12) is equipped with storage close to the two sides up and down of the sleeve (1)
Oil groove (13), the oil storage tank (13) are equipped with oiling through-hole (14)；The inner wall on the top of the sleeve (1) is equipped with annular groove
(15), the installation gap (16) of the annular groove (15) is through to there are two setting at the top of the sleeve (1)；The bracket (2)
Lower part be equipped with it is described guiding notch (6) cooperation guide pad (17), the side of the bracket (2) be evenly distributed with it is several with
The ball channel (18) of convex ribs (7) cooperation, the ball channel (18) includes end to end C-shaped channel (19) and runway
Hole (20)；The junction of the C-shaped channel (21) and the runway hole (20) is slide shape cambered surface (21)；Each ball channel
(18) several balls (4) are filled on；Ball (4) at the C-shaped channel (19) is against the arc groove to the sleeve (1)
(10), the ball (4) in the runway hole (20) is against extremely first arcwall face (8)；The peripheral side of the snap ring (3) is equipped with
With the fixture block (22) of the installation gap (16) cooperation, the fixture block (22) is embedded in the annular groove along the installation gap (16)
(15) in.
Preferably, the upper surface of the snap ring (3) is equipped with skid resistance strip (23).
Preferably, the snap ring (3) is arranged in upper surface of the annular groove (15) afterwards with the bracket (2) and closely matches
It closes.
Compared to the prior art, the utility model have it is following the utility model has the advantages that
1, the knot of the utility model baffle ring and guide pad cooperation, annular groove and fixture block cooperation, convex ribs and ball channel cooperation
Structure has many advantages, such as to be dismounted easily, precision is high.
2, molybdenum disulfide lubricant layer is arranged by the ball of circulating rolling in ball channel and on convex ribs reduces use
The abrasion of straight-line ball guide sleeve described in the utility model in the process.
3, it is described in the utility model in use process to reduce to inject lubricating oil that oiling through-hole is set on oil storage tank
Straight-line ball guide sleeve abrasion.
4, C-shaped channel and runway hole junction are slide shape cambered surface, prevent ball from generating diameter when rolling from C-shaped channel to runway hole
The precision that straight-line ball guide sleeve described in the utility model is influenced to bounce, prevents straight-line ball described in the utility model from leading
Cover rapid wear.
Detailed description of the invention
Fig. 1 is the explosive view of the utility model；
Fig. 2 is the perspective view of sleeve；
Fig. 3 is the plane outspread drawing of bracket；
Fig. 4 is the partial enlarged view of chassis plane expanded view；
Each label is respectively in figure: (1) sleeve, (2) bracket, (3) snap ring, (4) ball, (5) baffle ring, and (6) are oriented to notch,
(7) convex ribs, (8) first arcwall faces, (9) second arcwall faces, (10) arc groove, (11) molybdenum disulfide lubricant layer, (12) boss,
(13) oil storage tank, (14) oiling through-hole, (15) annular groove, (16) installation gap, (17) guide pad, (18) ball channel, (19) C
Type groove, (20) runway hole, (21) slide shape cambered surface, (22) fixture block, (23) skid resistance strip.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing.
Embodiment
A kind of straight-line ball guide sleeve includes sleeve 1, bracket 2, snap ring 3 and ball 4.
The lower ora terminalis of the sleeve 1, which extends internally, baffle ring 5, and the baffle ring 5, which is set, is oriented to notch 6, institute there are two symmetrical
The inner wall for stating sleeve 1 is axially arranged with several convex ribs 7 along it；The convex ribs 7 are uniformly distributed along the inner wall side of the sleeve 1, are in
Plum blossom-shaped；The main body of the convex ribs 7 also include towards 1 axle center of sleeve the first arcwall face 8 and with first arc
Second arcwall face 9 of 8 two sides ora terminalis of shape face connection；Second arcwall face 9 of adjacent two is spliced into arc groove 10, and described
The outer surface of one arcwall face 8 and second arcwall face 9 is equipped with molybdenum disulfide lubricant layer 11；The peripheral side of the sleeve 1 is equipped with
Cricoid boss 12, the boss 12 are equipped with oil storage tank 13 close to the two sides up and down of the sleeve 1, and the oil storage tank 13 is equipped with note
Oil hole 14；The inner wall on the top of the sleeve 1 is equipped with annular groove 15, and the top of the sleeve 1 sets described there are two being through to
The installation gap 16 of annular groove 15.
The lower part of the bracket 2 is equipped with the guide pad 17 cooperated with the guiding notch 6, and the side of the bracket 2 is uniform
Several ball channels 18 with the convex ribs 7 cooperation are distributed with, the ball channel 18 includes end to end 19 He of C-shaped channel
Runway hole 20；The junction in the C-shaped channel 21 and the runway hole 20 is slide shape cambered surface 21；On each ball channel 18
It is filled with several balls 4；Ball 4 at the C-shaped channel 19 is against the arc groove 10 to the sleeve 1, the runway hole
Ball 4 in 20 is against extremely first arcwall face 8.When specifically used, guide post is arranged in straight line described in the utility model
In ball bearing guide bushing, guide post is contacted with the part that the ball 4 passes through the runway hole 20, when guide post moves up and down, drives institute
The circulating rolling in the ball channel 18 of ball 4 is stated, the ball 4 is simultaneously with guide post, the convex ribs 7 happens is that rolling at this time
Dynamic friction, friction is small, and abrasion reduces.
The peripheral side of the snap ring 3 is equipped with the fixture block 22 cooperated with the installation gap 16, and the fixture block 22 is along the peace
Dress notch 16 is embedded in the annular groove 15；At this point, the snap ring 3 cooperates with the annular groove 15 locks in institute for the bracket 2
State the inside of sleeve 1.
When molybdenum disulfide lubricant layer 11 is arranged in the face that with the ball 4 rolling friction occurs for the convex ribs 7, due to two sulphur
The advantages that coefficient of friction for changing molybdenum is minimum, is also equipped with corrosion resistance, rust resistance and thermal stability, not only reduces in use process
Described in convex ribs 7 abrasion, also make the ball 4 more smooth when cycle rotation in the ball channel 18, use effect
Fruit is more preferable；Further, a certain amount of lubricating oil is stored in the oil storage tank 13, lubricating oil can pass through the oiling through-hole
Play the role of lubrication in the 14 inflow sleeves 1, to reduce the abrasion of straight-line ball guide sleeve described in the utility model；More
Further, the C-shaped channel 21 is connect with the runway hole 20 by slide shape cambered surface 21, prevents the ball 4 from the c-type
Circular runout is generated when slot 21 is rolled to the runway hole 20 and influences the precision of straight-line ball guide sleeve described in the utility model,
Prevent straight-line ball guide sleeve rapid wear described in the utility model.
The upper surface of the snap ring 3 is equipped with skid resistance strip 23；The frictional force of 3 upper surface of snap ring is increased, convenient for turning
Move the snap ring 3.
The snap ring 3 is arranged in the upper surface tight fit after the annular groove 15 with the bracket 2；Prevent the bracket
2 teetertotter between the baffle ring 5 and the snap ring 3, improve the stabilization of straight-line ball guide sleeve described in the utility model
Property and precision.
Specific installation timing, firstly, the sleeve 1 is placed vertically, the bracket 2 is placed in the sleeve 1 and makes institute
The upper end for stating ball channel 18 is exposed outside；Then, the ball 4 is filled up in Xiang Suoshu ball channel 18 and by the bracket 2
It is fully recessed into the sleeve 1, until the guide pad 17 and the guiding notch 6 are fully mated；Finally, by the snap ring 3
The fixture block 22 be placed in the annular groove 15 to be rotated further by the fixture block 22 and the installation along the installation gap 16 and lack
Mouth 16 misplaces.When specific disassembly, it is only necessary to the snap ring 3 is removed, it can be by the bracket 2 and the ball 4 from the sleeve 1
It takes out, does not need to be dismounted easily by other tools.
To sum up, small, precision is high, using effect with wearing for a kind of linear ball bearing guide sleeve described in the utility model
Well, the advantages that being dismounted easily.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (3)
1. a kind of straight-line ball guide sleeve, it is characterised in that: include sleeve (1), bracket (2), snap ring (3) and ball (4)；
The lower ora terminalis of the sleeve (1) extends internally and has baffle ring (5), and the baffle ring (5), which sets, is oriented to notch there are two symmetrical
(6), the inner wall of the sleeve (1) is axially arranged with several convex ribs (7) along it；Inner wall week of the convex ribs (7) along the sleeve (1)
Side is uniformly distributed, and is in plum blossom-shaped；The main body of the convex ribs (7) also includes the first arcwall face towards the sleeve (1) axle center
(8) and with the first arcwall face (8) two sides ora terminalis the second arcwall face (9) connecting；Second arc of adjacent two
Face (9) is spliced into arc groove (10), and the outer surface of first arcwall face (8) and second arcwall face (9) is equipped with curing
Molybdenum lubricant layer (11)；The peripheral side of the sleeve (1) is equipped with cricoid boss (12), and the boss (12) is close to the sleeve
(1) two sides up and down are equipped with oil storage tank (13), and the oil storage tank (13) is equipped with oiling through-hole (14)；The top of the sleeve (1)
Inner wall be equipped with annular groove (15), set that there are two the installation gaps for being through to the annular groove (15) at the top of the sleeve (1)
(16)；
The lower part of the bracket (2) is equipped with the guide pad (17) with guiding notch (6) cooperation, the side of the bracket (2)
Several ball channels (18) with the convex ribs (7) cooperation are evenly distributed with, the ball channel (18) includes to join end to end
C-shaped channel (19) and runway hole (20)；The junction of the C-shaped channel (19) and the runway hole (20) is slide shape cambered surface
(21)；Several balls (4) are filled on each ball channel (18)；Ball (4) at the C-shaped channel (19) is against to institute
The arc groove (10) of sleeve (1) is stated, the ball (4) in the runway hole (20) is against extremely first arcwall face (8)；
The peripheral side of the snap ring (3) is equipped with the fixture block (22) cooperated with the installation gap (16), and the fixture block (22) is along institute
Installation gap (16) are stated to be embedded in the annular groove (15).
2. straight-line ball guide sleeve according to claim 1, it is characterised in that: the upper surface of the snap ring (3) is equipped with anti-skidding
Striped (23).
3. straight-line ball guide sleeve according to claim 1, it is characterised in that: the snap ring (3) is arranged in the annular groove
(15) it is fitted close afterwards with the upper surface of the bracket (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627889.6U CN209164379U (en) | 2018-10-08 | 2018-10-08 | A kind of straight-line ball guide sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821627889.6U CN209164379U (en) | 2018-10-08 | 2018-10-08 | A kind of straight-line ball guide sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209164379U true CN209164379U (en) | 2019-07-26 |
Family
ID=67333039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821627889.6U Active CN209164379U (en) | 2018-10-08 | 2018-10-08 | A kind of straight-line ball guide sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209164379U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425219A (en) * | 2019-08-20 | 2019-11-08 | 南京工程学院 | A kind of self-lubricating is from the linear bearing that cools down |
| WO2021051671A1 (en) * | 2019-09-16 | 2021-03-25 | 蔡耀彬 | Injection molding machine having linear guide rail protection function |
-
2018
- 2018-10-08 CN CN201821627889.6U patent/CN209164379U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110425219A (en) * | 2019-08-20 | 2019-11-08 | 南京工程学院 | A kind of self-lubricating is from the linear bearing that cools down |
| WO2021051671A1 (en) * | 2019-09-16 | 2021-03-25 | 蔡耀彬 | Injection molding machine having linear guide rail protection function |
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